Rifle Scopes

Thermal Rifle Scopes for Hunting and Tactical Use

Thermal rifle scopes are electro-optical weapon sights that detect infrared radiation emitted by living organisms, vehicles, and terrain features, then convert that heat data into a visible image on an internal display. A thermal rifle scope uses a microbolometer sensor — either uncooled vanadium oxide (VOx) or amorphous silicon (a-Si) — to detect temperature differences as small as ≤15 millikelvins (mK) across a scene and render those differences as a grayscale or color-palette image at refresh rates of 50 or 60 hertz (Hz). Thermal rifle scopes operate in complete darkness, through fog, smoke, and light rain without requiring ambient light or an infrared (IR) illuminator. There are 3 primary sensor resolutions available in thermal rifle scopes: 320×240, 384×288, and 640×512 pixels, with pixel pitches of 17 micrometers (μm) or 12 μm. TactaBlue stocks thermal rifle scopes from ATN, Pulsar, AGM Global Vision, Sightmark, RIX Optics, and NOCPIX alongside hunting scopes, long range scopes, digital night vision scopes, and LPVO scopes.

How to Choose the Right Thermal Riflescope

Sensor Resolution

To choose the right thermal riflescope, start with the sensor resolution because sensor resolution determines the level of detail in the thermal image at every magnification level. A 640×512 sensor produces 327,680 pixels of thermal data per frame compared to 110,592 pixels on a 384×288 sensor and 76,800 pixels on a 320×240 sensor. The 640×512 sensor provides 4.3 times the pixel count of a 320×240 sensor, which translates to sharper target identification at distances beyond 200 yards (182.9 m). A 12 μm pixel pitch produces a tighter pixel spacing than a 17 μm pixel pitch on the same sensor resolution, which increases the effective detection range by 15 to 25% on equivalent optics. Choose a 640×512 sensor with 12 μm pixel pitch for long-range predator control beyond 300 yards (274.3 m) and a 384×288 sensor for hunting inside 200 yards (182.9 m).

Magnification

Thermal rifle scope magnification uses optical zoom through germanium lens elements combined with digital zoom through electronic image processing to produce magnification ranges from 1x to 25x or higher. The ATN ThOR 6 640×512 2-16x uses 2x optical magnification with 8x digital zoom for a combined 16x maximum. Optical magnification preserves full sensor resolution at every power level, while digital zoom interpolates pixels and reduces image sharpness above the optical maximum. A 2-8x magnification range suits AR-15 platforms for close to mid-range hog and coyote hunting inside 200 yards (182.9 m). A 3-24x or 5-25x magnification range suits bolt-action rifles for predator control at distances from 100 to 500 yards (91.4 to 457.2 m).

Detection Range

Thermal rifle scope detection range measures the maximum distance at which the scope can detect the presence of a heat source, which is 2 to 4 times farther than the identification range where the scope can distinguish the target species. A thermal scope with a 2,500-yard (2,286 m) detection range identifies a deer-sized target at 600 to 1,250 yards (548.6 to 1,143 m) and a coyote-sized target at 300 to 625 yards (274.3 to 571.5 m). Detection range depends on 4 factors: sensor resolution, pixel pitch, objective lens diameter, and atmospheric conditions. A 60 mm objective lens gathers more infrared energy than a 35 mm objective lens, which increases detection range by 40 to 70% on the same sensor.

Laser Rangefinders

Thermal rifle scopes with built-in laser rangefinders (LRF) measure the exact distance to the target in real time and feed that distance to the onboard ballistic calculator for automatic holdover correction. The Pulsar Thermion 2 LRF XL60 uses an integrated LRF accurate to ±1 yard (±0.9 m) at distances up to 1,000 yards (914.4 m). ATN ThOR 6 LRF models pair the rangefinder with the ATN Ballistic Calculator to display the corrected aiming point on the reticle. An integrated LRF eliminates the need to carry a separate handheld rangefinder and reduces the time from target acquisition to shot by 3 to 5 seconds.

Features

Thermal rifle scope features include Recoil Activated Video (RAV) recording, Wi-Fi streaming, Picture-in-Picture (PiP) magnified view, multiple color palettes (white hot, black hot, red, rainbow), and onboard ballistic calculators. ATN ThOR 6 models include SharpIR image processing, Hot Point Tracking that locks the reticle onto the hottest point in the field of view, Zeroing Freeze that overlays the current reticle position during zero adjustment, and Reticle Transparency Control. The ATN ThOR 6 uses a 6th generation thermal engine and a 0.49-inch 1920×1080 OLED display. Pulsar scopes include Stream Vision 2 app connectivity for live video streaming and firmware updates. Magnesium housing on ATN ThOR 6 models reduces weight by 15 to 20% compared to aluminum housing while maintaining recoil resistance.

Best Thermal Scopes: Reviews and Recommendations

Best Overall: AGM Adder V2 LRF 60-1280

The AGM Adder V2 LRF 60-1280 is a 640×512 thermal rifle scope with a 60 mm objective lens, 12 μm pixel pitch, integrated laser rangefinder, and a detection range of 2,970 yards (2,716 m). The Adder V2 uses a 1024×768 OLED display with 8 color palettes, onboard video recording, Wi-Fi connectivity, and a stadiametric rangefinder backup. The 60 mm germanium objective lens provides the widest infrared collection aperture in the AGM lineup. The Adder V2 LRF 60-1280 weighs 2.18 pounds (988.8 g) and mounts on 30 mm rings.

Best for Hog Hunting: Pulsar Thermion 2 LRF XL60

The Pulsar Thermion 2 LRF XL60 is a 640×480 thermal rifle scope with 60 mm objective lens, ≤18 mK thermal sensitivity, and an integrated laser rangefinder effective to 1,000 yards (914.4 m). The Thermion 2 LRF XL60 detects a deer-sized target at 2,400 yards (2,194.6 m) and identifies targets at 1,200 yards (1,097.3 m). Pulsar's Stream Vision 2 app provides live video streaming to a smartphone for hunting partners to monitor the field of view. The 640×480 sensor with ≤18 mK Noise Equivalent Temperature Difference (NETD) resolves hogs in dense brush where body temperature contrasts against vegetation by 10 to 15°F (5.6 to 8.3°C).

Best for AR-15: ATN ThOR 4 384 2-8x

The ATN ThOR 4 384 2-8x is a 384×288 thermal rifle scope with a compact form factor that fits AR-15 flat-top receivers without interfering with backup iron sights or front accessories. The ThOR 4 384 2-8x uses a 60 Hz refresh rate for smooth target tracking during rapid hog or coyote engagements. The scope weighs 1.68 pounds (762 g) and measures 12.4 inches (315 mm) in length. ATN's Smart Rangefinder calculates distance from the known target size for ballistic holdover, if no LRF accessory is attached. The ThOR 4 series records video in 1080p and streams over Wi-Fi to a smartphone.

Best for Coyote Hunting: ATN ThOR 4 2.5-25x 640-480

The ATN ThOR 4 640 2.5-25x is a 640×480 thermal rifle scope with 25x maximum magnification for identifying coyotes at distances beyond 400 yards (365.8 m). The 640×480 sensor with 60 Hz refresh rate resolves the coyote body outline against a cold ground background at ranges where a 384×288 sensor shows only a heat blob. The ThOR 4 640 2.5-25x detects a coyote-sized target at 1,300 yards (1,188.7 m) and mounts on standard 30 mm rings. Use the 2.5x base magnification for scanning open fields, then zoom to 10-15x for shot placement on a located coyote.

Budget All-Rounder: ATN ThOR 5 Smart HD 3-12x 320-240

The ATN ThOR 5 Smart HD 3-12x 320-240 is a 320×240 thermal rifle scope with ATN's 5th generation engine, 12 μm pixel pitch, and a price point below 640-resolution alternatives. The 12 μm pixel pitch compensates for the lower 320×240 resolution by packing smaller pixels into the sensor area, which improves image sharpness compared to older 17 μm 320×240 sensors. The ThOR 5 includes Recoil Activated Video, ballistic calculator, multiple reticle options, and Wi-Fi connectivity. The 320×240 resolution suits hunting inside 150 yards (137.2 m) where detection-to-identification distances are short.

Best Budget Thermal Scopes

NOCPIX BOLT L35R 384×288 LRF — $1,999

The NOCPIX BOLT L35R is a 384×288 thermal rifle scope with 35 mm objective lens and integrated laser rangefinder at a $1,999 price point that undercuts comparable LRF-equipped thermal scopes by $500 to $1,500. The BOLT L35R uses a 12 μm pixel pitch sensor with ≤25 mK NETD, 1024×768 AMOLED display, and 8 color palettes. The integrated LRF measures distances up to 1,000 yards (914.4 m). The BOLT L35R weighs 1.5 pounds (680 g) and runs on a single 18650 battery with 6 hours of continuous runtime.

INFITAC IOL 25 — $1,899

The INFITAC IOL 25 is a 256×192 thermal rifle scope with a 25 mm objective lens at a $1,899 price point, designed for close-range hog and predator hunting inside 150 yards (137.2 m). The compact 25 mm objective lens keeps the scope weight under 1.3 pounds (590 g) for mounting on AR-15 and PCC platforms without adding significant muzzle-heavy balance. The IOL 25 includes onboard recording, multiple reticle options, and a rechargeable battery lasting 5 hours.

AGM Rattler V2 35-384 — $1,975

The AGM Rattler V2 35-384 is a 384×288 thermal rifle scope with 35 mm objective lens, 12 μm pixel pitch, and ≤25 mK NETD for detecting targets at 1,740 yards (1,591 m). The Rattler V2 weighs 1.12 pounds (508 g) and measures 8.6 inches (218 mm) in length — the most compact 384-resolution thermal scope in the AGM lineup. The Rattler V2 mounts on standard 30 mm rings and fits AR-15, bolt-action, and lever-action rifles without receiver clearance issues.

Sightmark Shade 3.5-28x30 — $999

The Sightmark Shade 3.5-28x30 is a 256×192 thermal rifle scope at a $999 price point — the lowest-cost dedicated thermal rifle scope with a magnification range suitable for hunting. The Shade uses a 30 mm objective lens with 12 μm pixel pitch and achieves a detection range of 1,300 yards (1,188.7 m). The 256×192 sensor produces a lower-detail image than 384 or 640 sensors, which limits identification range to 200 yards (182.9 m) on coyote-sized targets. The Shade suits budget-conscious hunters who want thermal capability for hog and predator hunting inside 150 yards (137.2 m).

GOYOJO GRS225RF LRF Scope — $749

The GOYOJO GRS225RF is a 256×192 thermal rifle scope with an integrated laser rangefinder at a $749 price point — the lowest-cost thermal scope with a built-in LRF. The GRS225RF uses a 25 mm objective lens with 12 μm pixel pitch. The LRF measures distances to 600 yards (548.6 m). Image quality and detection range are limited by the 256×192 resolution, which suits hunting inside 100 yards (91.4 m) where target identification distances are short.

Athlon Cronus ATS Pro 25P-250 — $800

The Athlon Cronus ATS Pro 25P-250 is a 256×192 thermal scope at $800 with 25 mm objective lens and Athlon's proprietary image processing for enhanced edge contrast on small targets. The Cronus ATS Pro detects deer-sized targets at 1,100 yards (1,005.8 m) and weighs 1.2 pounds (544 g). Athlon's lifetime warranty covers the thermal sensor and electronics.

Holosun DRS-TH — $1,882

The Holosun DRS-TH is a compact thermal reflex sight with a 256×192 sensor designed for close-range target acquisition on AR-15 and shotgun platforms. The DRS-TH mounts on a standard Picatinny rail and weighs under 1 pound (454 g). The reflex sight form factor suits hog and predator hunters who engage targets inside 75 yards (68.6 m) and need a thermal sight that does not add the length or weight of a traditional thermal riflescope.

Best Pulsar Thermal Rifle Scopes for Hunting

Pulsar Lineup Overview

Pulsar produces 3 thermal rifle scope families: Thermion 2, Talion, and Trail 3 LRF, each using European-sourced sensors and German optics for thermal imaging in hunting environments. The Thermion 2 line is the flagship with 640×480 and 320×256 sensor options, integrated LRF models, and objective lens diameters from 35 mm to 60 mm. The Talion line uses traditional-style scope bodies with direct-view optical channels for hunters transitioning from conventional day scopes. The Trail 3 LRF line provides compact thermal imaging with rangefinder integration for stalking and mobile hunting.

Thermion 2 vs Talion: The Viewing Experience

The Thermion 2 uses a digital display viewfinder that shows the processed thermal image on an internal screen, while the Talion uses a traditional scope body with an eyepiece that displays the thermal overlay in a familiar optical viewing experience. The Thermion 2 digital display provides higher contrast ratios and faster color palette switching compared to the Talion. The Talion viewing experience feels closer to a conventional day scope, which reduces adaptation time for hunters using a thermal scope for the first time. Both platforms use the same sensor families and achieve equivalent detection ranges on identical objective lens sizes.

Thermion 2 vs Talion: Side-by-Side Comparison

The Thermion 2 LRF XL60 uses a 640×480 sensor with 60 mm objective and ≤18 mK NETD for a detection range of 2,400 yards (2,194.6 m), while the Talion XQ35 Pro uses a 384×288 sensor with 35 mm objective and ≤25 mK NETD for a detection range of 1,700 yards (1,554.5 m). The Thermion 2 LRF XL60 weighs 2.31 pounds (1,048 g) compared to 1.74 pounds (789 g) for the Talion XQ35 Pro. The Thermion 2 LRF models include an integrated laser rangefinder; Talion models do not include an LRF. Choose the Thermion 2 for maximum detection range and LRF capability, and choose the Talion for lighter weight and a traditional scope viewing experience.

Understanding Detection vs Identification Range

Detection range is the maximum distance at which a thermal scope registers a heat source as present in the field of view, while identification range is the distance at which the scope resolves enough detail to determine the species, size, or shape of the target. Identification range is 40 to 50% of the detection range on a 640×512 sensor and 25 to 40% of the detection range on a 384×288 sensor. A thermal scope with a 2,000-yard (1,828.8 m) detection range and a 640 sensor identifies a deer-sized target at 800 to 1,000 yards (731.5 to 914.4 m). A 384 sensor with the same 2,000-yard detection range identifies the same target at 500 to 800 yards (457.2 to 731.5 m).

Matching Optics to Hunting Style

Match the thermal scope to hunting style by considering 3 factors: engagement distance, target size, and shooting platform.

• Hog hunting from blinds at 50 to 150 yards (45.7 to 137.2 m) — a 384×288 sensor with 35 mm objective lens provides sufficient identification range, and the compact size fits AR-15 and AR-10 platforms
• Coyote hunting from stands at 100 to 400 yards (91.4 to 365.8 m) — a 640×480 or 640×512 sensor with 50 to 60 mm objective lens provides the identification range needed for small-body targets at distance
• Predator control at 200 to 500+ yards (182.9 to 457.2+ m) — a 640 sensor with 60 mm objective and integrated LRF provides the detection range, identification detail, and ballistic data for precision shots at extended distances
• AR-15 hog and varmint platforms — choose a scope under 2 pounds (907 g) with 30 mm tube mounting to avoid excessive weight forward of the receiver

Flagship Thermion 2 LRF 60 Models

Thermion 2 LRF XL60 — Best Overall

The Thermion 2 LRF XL60 is Pulsar's highest-resolution thermal rifle scope with a 640×480 sensor, 60 mm objective, ≤18 mK NETD, and integrated LRF for the maximum detection and identification range in the Pulsar lineup. The XL60 detects at 2,400 yards (2,194.6 m) and identifies at 1,200 yards (1,097.3 m). The "XL" designation indicates the largest objective lens diameter in the Thermion 2 LRF series. Stream Vision 2 provides live video streaming and scope control from a smartphone.

Thermion 2 LRF XG60 — Best for Long-Range and Small Targets

The Thermion 2 LRF XG60 uses a 640×480 sensor with 60 mm objective and a higher base magnification than the XL60 for resolving small targets — coyotes, foxes, raccoons — at distances beyond 300 yards (274.3 m). The "XG" designation indicates the germanium lens configuration optimized for higher magnification. The XG60 trades field of view width for increased target detail at distance. Choose the XG60 over the XL60, if primary targets are coyote-sized or smaller and engagement distances exceed 250 yards (228.6 m).

Thermion 2 LRF XP60 — Best for High Humidity

The Thermion 2 LRF XP60 uses a 640×480 sensor with 60 mm objective and a sensor configuration optimized for humid environments where moisture in the air absorbs infrared radiation and reduces effective detection range. The "XP" designation indicates the atmospheric compensation tuning that maintains thermal contrast in humidity above 70%. The XP60 suits hunters in the southeastern United States, Gulf Coast, and tropical environments where nighttime humidity regularly exceeds 80%.

Compact and Agile Pulsar Models

Thermion 2 LRF XQ50 Pro — Balanced Performer

The Thermion 2 LRF XQ50 Pro is a 384×288 thermal rifle scope with 50 mm objective lens, integrated LRF, and a mid-range price point that balances detection range against cost. The XQ50 Pro detects at 2,000 yards (1,828.8 m) and weighs 1.96 pounds (889 g). The 384×288 sensor with 50 mm objective provides identification range sufficient for hog and deer-sized targets at 300 to 500 yards (274.3 to 457.2 m). The XQ50 Pro costs $1,500 to $2,000 less than the 640-sensor Thermion 2 models.

Talion XQ35 Pro — Lightweight Stalker

The Talion XQ35 Pro is a 384×288 thermal scope with 35 mm objective in a traditional scope body that weighs 1.74 pounds (789 g) for mobile hunting and stalking. The Talion XQ35 Pro uses the same sensor as the Thermion 2 XQ50 Pro with a smaller objective lens, which reduces detection range to 1,700 yards (1,554.5 m) but saves 0.22 pounds (100 g). The traditional scope body and direct-view optical channel suit hunters who want thermal capability without adapting to a digital display viewfinder.

Talion XG35 — Best Lightweight Mobile Hunting

The Talion XG35 is the lightest thermal rifle scope in the Pulsar lineup with a 384×288 sensor, 35 mm objective, and a higher-magnification germanium lens configuration for small-target identification at moderate distances. The XG35 suits hunters who walk long distances to hunting locations and need a thermal scope that does not add excessive weight to the rifle. The Talion XG35 pairs well with lightweight bolt-action hunting rifles in the 6 to 7 pound (2.7 to 3.2 kg) class.

Trail 3 LRF — Compact Professional Precision

Trail 3 LRF XQ50

The Trail 3 LRF XQ50 is a compact 384×288 thermal scope with 50 mm objective, integrated LRF, and a short overall length for mounting on scout rifles and compact bolt-action platforms. The Trail 3 LRF XQ50 detects at 1,900 yards (1,737.4 m) and provides identification range for deer-sized targets at 475 yards (434.3 m). The compact housing suits hunters who need a thermal scope that does not extend beyond the barrel length on short-action rifles.

Trail 3 LRF XR50

The Trail 3 LRF XR50 is a 640×480 thermal scope with 50 mm objective and LRF in the Trail 3 compact form factor for longer detection ranges than the XQ50. The 640 sensor increases identification range to 700 yards (640.1 m) on deer-sized targets. The XR50 costs more than the XQ50 and suits hunters who need 640-sensor detail in a compact scope body.

How to Choose the Right Thermal Scope for Your Needs

Define Your Hunting Environment

To define the hunting environment, assess 3 conditions: terrain openness, typical engagement distance, and ambient humidity. Open agricultural fields and pastures allow engagements at 200 to 500 yards (182.9 to 457.2 m) and require a 640 sensor with a 50 to 60 mm objective. Dense timber and brush limit engagements to 50 to 150 yards (45.7 to 137.2 m) where a 384 sensor with a 25 to 35 mm objective provides sufficient image detail at a lower cost and weight.

Know the Range You Shoot

Match the thermal scope detection range to 2 to 3 times the maximum shot distance. A hunter who shoots hogs at 150 yards (137.2 m) needs a thermal scope with a minimum detection range of 300 to 450 yards (274.3 to 411.5 m) to detect approaching targets before they reach shooting distance. A coyote hunter calling at 300 yards (274.3 m) needs 600 to 900 yards (548.6 to 822.96 m) of detection range. Under-specifying detection range eliminates the early warning advantage that thermal optics provide.

Prioritize Features

Prioritize thermal scope features by ranking 5 capabilities in order of importance for the specific hunting application: sensor resolution, LRF integration, recording capability, battery life, and weight. A night predator hunter benefits most from sensor resolution and LRF integration. A mobile stalker benefits most from weight reduction and battery life. A content creator benefits from recording capability and Wi-Fi streaming. No thermal scope maximizes all 5 capabilities simultaneously — increasing sensor resolution and adding an LRF both increase weight and reduce battery life.

Match to Rifle and Loadout

Match the thermal scope to the rifle by checking 3 compatibility factors: mounting system (30 mm rings, Picatinny direct mount, or proprietary mount), total weight with scope (rifle plus scope should stay under 12 pounds / 5.4 kg for mobile hunting), and eye relief (minimum 50 mm / 1.97 inches for magnum-caliber rifles). ATN ThOR 6 and ThOR 5 scopes mount on standard 30 mm rings. Pulsar Thermion 2 scopes mount on 30 mm rings. AGM scopes mount on 30 mm rings. Verify the receiver rail length accommodates the scope length — thermal scopes measure 12 to 16 inches (304.8 to 406.4 mm) compared to 10 to 13 inches (254 to 330.2 mm) for conventional day scopes.

Set a Budget

Thermal rifle scope prices range across 5 tiers: under $1,000 for 256×192 entry-level scopes, $1,000 to $2,000 for 384×288 scopes without LRF, $2,000 to $4,000 for 384×288 scopes with LRF, $4,000 to $6,000 for 640×480/640×512 scopes, and $6,000+ for 640 scopes with LRF and premium features. The performance difference between a $1,000 and $2,000 thermal scope is larger than the difference between a $4,000 and $6,000 scope. A $2,000 budget provides 384×288 resolution with LRF capability, which handles 80% of thermal hunting applications inside 250 yards (228.6 m).

Key Features to Compare Before Buying a Thermal Scope

Compare thermal scopes across 8 specifications: sensor resolution, pixel pitch, NETD sensitivity, objective lens diameter, magnification range, display resolution, battery life, and weight.

• Sensor resolution — 640×512 > 384×288 > 320×240 > 256×192 for image detail
• Pixel pitch — 12 μm produces sharper images than 17 μm on the same resolution
• NETD sensitivity — ≤15 mK detects smaller temperature differences than ≤25 mK or ≤40 mK
• Objective lens — larger diameter (60 mm > 50 mm > 35 mm > 25 mm) increases detection range
• Magnification range — wider range (2-16x) provides more versatility than narrow range (3-9x)
• Display resolution — 1920×1080 OLED displays sharper images than 1024×768 or 640×480 displays
• Battery life — 6 to 10 hours of continuous use per charge on internal batteries; external battery packs extend runtime to 12+ hours
• Weight — ranges from 1.0 pound (454 g) for compact scopes to 2.5 pounds (1,134 g) for flagship 640/LRF models

Why Choose Pulsar

European Sensors and Optics

Pulsar thermal scopes use sensors sourced from European manufacturers with germanium lens elements that provide consistent thermal image quality across temperature ranges from -13°F to 122°F (-25°C to 50°C). European VOx microbolometers in Pulsar scopes achieve NETD values of ≤18 mK on flagship models and ≤25 mK on mid-range models.

Built for Hunters

Pulsar designs thermal scopes for hunting applications with features that address field conditions: one-shot zero, quick-start boot times under 3 seconds, multiple weapon profiles for switching between rifles, and recoil ratings to .375 H&H Magnum and 12-gauge slug loads. The Stream Vision 2 app stores ballistic profiles for multiple rifles and transfers them to the scope over Wi-Fi.

Integrated Technology

Pulsar scopes integrate rangefinding, ballistic calculation, video recording, and smartphone connectivity into a single optic that replaces 3 to 4 separate devices (scope, rangefinder, ballistic app, action camera). The Stream Vision 2 ecosystem allows firmware updates, live streaming, and scope configuration from a smartphone.

Rugged and Reliable

Pulsar thermal scopes carry IPX7 waterproof ratings (submersion to 3.3 feet / 1 m for 30 minutes), nitrogen-purged optical housings, and recoil ratings exceeding 1,000 G-force for centerfire rifle calibers. The aluminum alloy housings withstand impacts from field use, and the operating temperature range covers hunting conditions from arctic to desert environments.

Common Use Cases

Night Hunting

Thermal rifle scopes enable night hunting of nocturnal predators — coyotes, foxes, bobcats, raccoons — and invasive species (feral hogs) in complete darkness without requiring moonlight, starlight, or IR illuminators. A thermal scope detects a feral hog's body heat at 500+ yards (457.2+ m) in total darkness and provides a clear aiming image for shot placement. Night predator hunting with thermal scopes is legal in 40+ U.S. states, with regulations varying by state on species, seasons, and artificial light restrictions. Verify state regulations before hunting with a thermal scope at night.

Long-Range Shooting

Thermal scopes with 640×512 sensors and integrated LRF support precision long-range shooting at 300 to 600 yards (274.3 to 548.6 m) on coyote-sized targets by combining thermal target detection with laser-measured ballistic solutions. The onboard ballistic calculator computes bullet drop, wind drift (with manual input), and the corrected aiming point. Thermal scopes with ≤15 mK NETD resolve the thermal signature differences between a target animal and the surrounding terrain at distances where a ≤25 mK or ≤40 mK sensor shows only a uniform warm blob.

Practical Tips From the Field

Maximize thermal rifle scope performance with 5 field practices:

• Zero at operating temperature — zero the thermal scope at the same ambient temperature range where hunting occurs because thermal scope electronics shift zero by 0.5 to 1.0 Minute of Angle (MOA) across a 40°F (22°C) temperature swing
• Carry spare batteries — internal batteries deplete faster in temperatures below 32°F (0°C); carry an external battery pack or spare 18650 cells
• Clean the objective lens — fingerprints, moisture, and debris on the germanium objective lens degrade thermal image contrast by 10 to 20%; use a microfiber cloth designated for germanium optics
• Update firmware — ATN, Pulsar, and AGM release firmware updates that improve image processing algorithms, add features, and fix bugs
• Practice scanning technique — scan the field at low magnification (2-4x) to locate heat sources, then zoom in (8-16x) for target identification before taking the shot